Mayr's Database of Reactivity Parameters

Nucleophiles

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
((4-methoxyphenyl)sulfonyl)(pyridin-4-yl)amide (Ph4P+) (in CH2Cl2)
C12H11N2O3S- *
dichloromethane

N  Param.: 19.63

sN Param.: 0.65
*** J. Am. Chem. Soc. 2025, 147, 5043-5050
10.1021/jacs.4c14825
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Ph4P+) (in MeCN)
C6H4F3N2O2S- *
MeCN

N  Param.: 16.38

sN Param.: 0.60
*** J. Am. Chem. Soc. 2025, 147, 5043-5050
10.1021/jacs.4c14825
((4-methoxyphenyl)sulfonyl)(pyridin-4-yl)amide (Ph4P+) (in MeCN)
C12H11N2O3S- *
MeCN

N  Param.: 17.28

sN Param.: 0.65
*** J. Am. Chem. Soc. 2025, 147, 5043-5050
10.1021/jacs.4c14825
pyridin-4-yl((4-(trifluoromethyl)phenyl)sulfonyl)amide (Ph4P+) (in MeCN)
C12H8F3N2O2S- *
MeCN

N  Param.: 19.51

sN Param.: 0.47
*** J. Org. Chem. 2025, 90, 2298-2306
10.1021/acs.joc.4c02668
pyridin-4-yl(tosyl)amide (Ph4P+) (in MeCN)
C12H11N2O2S- *
MeCN

N  Param.: 17.19

sN Param.: 0.64
*** J. Org. Chem. 2025, 90, 2298-2306
10.1021/acs.joc.4c02668
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Bu4P+) (in MeCN)
C6H4F3N2O2S- *
MeCN

N  Param.: 16.48

sN Param.: 0.60
*** J. Org. Chem. 2025, 90, 2298-2306
10.1021/acs.joc.4c02668
pyridin-4-yl((trifluoromethyl)sulfonyl)amide (Bu4N+) (in MeCN)
C6H4F3N2O2S- *
MeCN

N  Param.: 16.68

sN Param.: 0.59
*** J. Org. Chem. 2025, 90, 2298-2306
10.1021/acs.joc.4c02668
50% water/50% MeCN (v/v)
H2O *
water-MeCN mix

N  Param.: 5.05

sN Param.: 0.89
*** J. Am. Chem. Soc. 2004, 126, 5174-5181
10.1021/ja031828z
O-DHPB (in CH2Cl2)
C10H10N2O *
dichloromethane

N  Param.: 13.31

sN Param.: 0.69
*** Angew. Chem. Int. Ed. 2025, 64, e202514865
10.1002/anie.202514865
O-HyperBTM (in CH2Cl2)
C19H20N2O *
dichloromethane

N  Param.: 13.01

sN Param.: 0.73
*** Angew. Chem. Int. Ed. 2025, 64, e202514865
10.1002/anie.202514865